SVGPathByteStreamBuilder.h [plain text]
#ifndef SVGPathByteStreamBuilder_h
#define SVGPathByteStreamBuilder_h
#include "FloatPoint.h"
#include "SVGPathByteStream.h"
#include "SVGPathConsumer.h"
#include <wtf/text/WTFString.h>
namespace WebCore {
class SVGPathByteStreamBuilder : public SVGPathConsumer {
public:
SVGPathByteStreamBuilder();
void setCurrentByteStream(SVGPathByteStream* byteStream) { m_byteStream = byteStream; }
private:
virtual void incrementPathSegmentCount() override { }
virtual bool continueConsuming() override { return true; }
virtual void cleanup() override { m_byteStream = 0; }
virtual void moveTo(const FloatPoint&, bool closed, PathCoordinateMode) override;
virtual void lineTo(const FloatPoint&, PathCoordinateMode) override;
virtual void curveToCubic(const FloatPoint&, const FloatPoint&, const FloatPoint&, PathCoordinateMode) override;
virtual void closePath() override;
virtual void lineToHorizontal(float, PathCoordinateMode) override;
virtual void lineToVertical(float, PathCoordinateMode) override;
virtual void curveToCubicSmooth(const FloatPoint&, const FloatPoint&, PathCoordinateMode) override;
virtual void curveToQuadratic(const FloatPoint&, const FloatPoint&, PathCoordinateMode) override;
virtual void curveToQuadraticSmooth(const FloatPoint&, PathCoordinateMode) override;
virtual void arcTo(float, float, float, bool largeArcFlag, bool sweepFlag, const FloatPoint&, PathCoordinateMode) override;
template<typename ByteType>
void writeType(const ByteType& type)
{
size_t typeSize = sizeof(ByteType);
for (size_t i = 0; i < typeSize; ++i)
m_byteStream->append(type.bytes[i]);
}
void writeFlag(bool value)
{
BoolByte data;
data.value = value;
writeType(data);
}
void writeFloat(float value)
{
FloatByte data;
data.value = value;
writeType(data);
}
void writeFloatPoint(const FloatPoint& point)
{
writeFloat(point.x());
writeFloat(point.y());
}
void writeSegmentType(unsigned short value)
{
UnsignedShortByte data;
data.value = value;
writeType(data);
}
SVGPathByteStream* m_byteStream;
};
}
#endif // SVGPathByteStreamBuilder_h